Tovolo Mini Ice Cylinders (Narrow-Bottle, 2-Pack)
Best for: Best for narrow-mouth bottles — a mold that makes slim ice cylinders that actually fit through small openings.
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Our review
The Tovolo Mini Ice Cylinder solves a small but genuinely annoying problem: regular ice cubes are too fat to fit through the narrow mouth of a sports bottle, flask or reusable water bottle. Rated 4.0 stars across nearly 2,000 ratings, this set of two soft silicone molds makes long, slim cylinders of ice that drop straight down through those skinny openings, so you can finally keep your water bottle cold without wrestling cubes or settling for lukewarm water. The soft silicone is the clever bit — you just squeeze the mold and the cylinder pops out cleanly, no twisting or running it under the tap. It's from Tovolo, a well-regarded ice-and-kitchen brand, and the slim cylinders also work nicely in tall glasses and narrow tumblers.
Honest expectations: it's a focused, single-purpose mold, so judge it on that one job. The cylinders are slim, so they don't last as long as a big solid block — they're about fitting through narrow mouths, not maximum slow-melt. Like all silicone molds, tap water freezes slightly cloudy and a quick wash before first use clears any silicone smell. And you get two cylinders per batch, so heavy ice users will run a couple of batches. For anyone frustrated that cubes won't fit their favourite bottle, though, it's a cheap, neat little fix.
👍 Pros
- Makes slim cylinders that fit narrow bottle mouths
- Soft silicone — squeeze and the ice pops right out
- Finally keeps sports bottles and flasks cold
- Also great in tall glasses and narrow tumblers
- Trusted Tovolo brand; ~2,000 ratings
👎 Cons
- Slim cylinders melt faster than a big solid block
- Single-purpose mold for narrow openings
- Two cylinders per batch — heavy users run a few
- Tap water freezes slightly cloudy
Specifications
| Type | Silicone narrow-bottle ice cylinder mold (2-pack) |
|---|---|
| Mechanism | Freeze, squeeze the silicone to release a slim cylinder |
| Fits | Narrow-mouth sports bottles, flasks, tall glasses |
| Set | 2 cylinders per batch |
| Build | Soft food-grade silicone, easy release |
| Brand / Price | Tovolo, ~$21 for 2 |
FAQ
Why a cylinder shape?
Regular cubes are too fat to fit through the narrow mouth of a sports bottle or flask. The slim cylinder slides straight down through those skinny openings.
How do I get the ice out?
The mold is soft silicone, so you just squeeze it and the cylinder pops out cleanly — no twisting or running it under the tap.
Does the ice last long?
It keeps a bottle cold, but because the cylinder is slim it melts faster than a big solid block — it's designed for fitting narrow openings, not maximum slow-melt.
How many do you get per batch?
Two cylinders per batch, so heavy ice users may run a couple of batches to fill a bigger bottle.
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